HomeTransmission > Gaskets and Sealing SystemsFAG SS3112 Automatic Transmission Seal - Rear
Part #: SS3112

FAG SS3112 Automatic Transmission Seal - Rear

Rear
⚙️ 30 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$16.77Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, C3500, K3500, P30, and P3500
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Automatic Transmission Seal for Chevrolet and GMC Vehicles

The FAG SS3112 automatic transmission seal is engineered to provide durable sealing performance for select Chevrolet and GMC models. Designed with precision, this seal helps maintain transmission integrity and prevent fluid leaks in demanding driving conditions.

  • Seal Type: Metal with spring and auxiliary lip for enhanced sealing
  • Sealing Material: Vamac for chemical and heat resistance
  • Bore Diameter: 2.88 inches (73.152 mm)
  • Seal Outside Diameter: 2.885 inches (73.279 mm)
  • Seal Width: 2.125 inches (14.021 mm)

Technical Details and Construction

The SS3112 automatic transmission seal features a metal construction combined with a spring and auxiliary lip design, ensuring a secure fit and reliable sealing under pressure. The Vamac sealing material offers excellent resistance to transmission fluids and high temperatures, contributing to long service life. With precise bore and outside diameters, this seal fits tightly within the transmission housing to prevent leaks and contamination.

Compatible Chevrolet and GMC Models

This transmission seal is compatible with Chevrolet and GMC heavy-duty models including the C3500, K3500, P30, and P3500. The part number SS3112 is specifically designed to meet the sealing requirements of these vehicles’ automatic transmissions, ensuring proper fit and function.

Common Applications and Problem Resolution

  • Prevents automatic transmission fluid leaks
  • Maintains transmission pressure and performance
  • Reduces risk of contamination entering the transmission
  • Helps avoid premature transmission wear due to fluid loss
  • Supports smooth shifting and overall transmission reliability

Installation Notes and Tips

When installing the FAG SS3112 seal, ensure the transmission housing bore is clean and free of debris. Lubricate the seal lip with compatible transmission fluid before installation to prevent damage. Use proper tools to press the seal evenly into place without distortion. Verify correct orientation of the auxiliary lip to maintain optimal sealing performance.

Quality Assurance and Warranty

FAG transmission seals are manufactured to meet strict quality standards for durability and performance. The SS3112 seal undergoes rigorous testing to ensure compatibility and reliability in Chevrolet and GMC automatic transmissions. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandFAG
Part NumberSS3112
2.125
53.975
Bore Diameter2.88
Bore Diameter73.152
Seal Outside Diameter2.885
Seal Outside Diameter73.279
Seal TypeMetal; Spring; Auxilary lip
Seal Width2.125
Seal Width14.021
Sealing MaterialVamac

This part fits 30 vehicles. Search below:

YearMakeModelPositionNotes
1997ChevroletC3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1997ChevroletK3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1997ChevroletP30Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1997GMCK3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1997GMCP3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1996ChevroletC3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1996ChevroletK3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1996ChevroletP30Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1996GMCK3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1996GMCP3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1995ChevroletC3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1995ChevroletK3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1995ChevroletP30Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1995GMCK3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1995GMCP3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1994ChevroletC3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1994ChevroletK3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1994ChevroletP30Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1994GMCK3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1994GMCP3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1993ChevroletC3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1993ChevroletK3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1993ChevroletP30Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1993GMCK3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1993GMCP3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1992ChevroletC3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1992ChevroletK3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1992ChevroletP30Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1992GMCK3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100
1992GMCP3500Rear15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3112 100

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2123624574133112100

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.